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Curso
Networking for a Backend Engineer & Application Support
Debug production incidents confidently today — timeouts, connection resets, DNS failures, TLS errors, latency spikes — and make sound service/infrastructure design decisions as I grow into architecture work. A solid enough base to hold my own in networking interview questions is a welcome side effect. Practical, tool-in-hand knowledge over protocol academia.
Lições
- 01One Request, End to End
- 02The Triage Ladder
- 03Where Did the Time Go?
- 04Who's Listening? Sockets and `ss`
- 05Handshake and Hang-up — SYN, FIN, RST
- 06The Failure Alphabet
- 07Unit 2, In Practice: Read a Live Connection
- 08Read a `dig` Answer
- 09Which Resolver Answered?
- 10NXDOMAIN, SERVFAIL, or Silence
- 11CNAMEs, TTL, and the Caching Trap